Explanation Given: Function f ( x ) = x 5 − 15 x 3 Formula Used: Critical points of the function are the points where the function is defined and its derivative is undefined or zero. Calculation: Function is given as f ( x ) = x 5 − 15 x 3 Derivative of above function is calculated as follows: f ′ ( x ) = d d x ( x 5 − 15 x 3 ) f ′ ( x ) = d d x ( x 5 ) − d d x ( 15 x 3 ) f ′ ( x ) = d d x ( x 5 ) − 15 d d x ( x 3 ) f ′ ( x ) = ( 5 x To determine (b) Use graph to classify the critical point for below function as a local minimum , a local maximum , or neither. f ( x ) = x 5 − 15 x 3

6th Edition

ISBN: 9781119399353

Author: DA

Publisher: JOHN WILEY+SONS,INC.-CONSIGNMENT

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Question

Chapter 4.1, Problem 13P

To determine

(a)

Use the derivative to find all critical points for below function:

f(x)=x5−15x3

To determine

(b)

Use graph to classify the critical point for below function as a local minimum, a local maximum, or neither.

f(x)=x5−15x3

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Chapter 4.1, Problem 12P

Chapter 4.1, Problem 14P

Chapter 4 Solutions

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(a) Use the derivative to find all critical points for below function: f ( x ) = x 5 − 15 x 3

Solution Summary: The author explains how the derivative is used to find all critical points for the function.

Concept explainers

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(a)

Use the derivative to find all critical points for below function:

f(x)=x5−15x3

(b)

Use graph to classify the critical point for below function as a local minimum, a local maximum, or neither.

f(x)=x5−15x3

Want to see the full answer?

Chapter 4 Solutions

(a) Use the derivative to find all critical points for below function: f ( x ) = x 5 − 15 x 3

Solution Summary: The author explains how the derivative is used to find all critical points for the function.

Concept explainers

Videos

(a) Use the derivative to find all critical points for below function: f(x)=x5−15x3

(b) Use graph to classify the critical point for below function as a local minimum, a local maximum, or neither. f(x)=x5−15x3

Want to see the full answer?

Chapter 4 Solutions

(a)

Use the derivative to find all critical points for below function:

f(x)=x5−15x3

(b)

Use graph to classify the critical point for below function as a local minimum, a local maximum, or neither.

f(x)=x5−15x3